if my_path in index:
						index[my_path][header] = self.headers[header]
				else:
					print('Unknown header - ', header, ': ', self.headers[header], sep='')
					return()
				print(header, self.headers[header])

			# creating file name from my_path
			file_name = config['dir'] + os.sep + re.compile('%20').sub(' ', my_path)
			# partial file or unfinished download
			temp_name = config['dir'] + os.sep + '.parts' + re.compile('%20').sub(' ', my_path)

			# creating empty placeholder in index
			# if there's no space map and there's no file in real directory - we have no file
			# if there's an empty space map - file is full
			# space map generally covers every bit of file we don't posess currently
			if not my_path in index:
				info += '\nThis one is new.'
				reload = True
				record = {}
			else:
				# forcibly checking file if no file present
				if os.access(file_name, os.R_OK):
					file_stat = os.stat(file_name)
				elif '_parts' in index[my_path] and os.access(temp_name, os.R_OK):
					file_stat = os.stat(temp_name)
				else:
					info += '\nFile not found or inaccessible.'
					index[my_path]['_parts'] = None
					reload = True
				record = index[my_path]

			print(record)

			if not '_parts' in record:
				record['_parts'] = None

			# creating file name from my_path
			file_name = config['dir'] + os.sep + re.compile('%20').sub(' ', my_path)
			# partial file or unfinished download
			temp_name = config['dir'] + os.sep + '.parts' + re.compile('%20').sub(' ', my_path)

			# forcibly checking file if no file present
			if os.access(file_name, os.R_OK):
				file_stat = os.stat(file_name)
			elif '_parts' in record and os.access(temp_name, os.R_OK):
				file_stat = os.stat(temp_name)
			elif not reload:
				print(record)
				info += '\nFile not found or inaccessible.'
				record['_parts'] = None
				reload = True
			if record['_parts'] == None:
				recheck = True

			# forcibly checking file if file size doesn't match with index data
			if not reload:
				if '_parts' in record and record['_parts'] == spacemap.SpaceMap():
					if 'Content-Length' in record and file_stat and file_stat.st_size != int(record['Content-Length']):
						info += '\nFile size is {} and stored file size is {}.'.format(file_stat.st_size, record['Content-Length'])
						record['_parts'] = None
						reload = True

			# forcibly checking file if index holds Pragma header
			if not reload and 'Pragma' in record and record['Pragma'] == 'no-cache':
				info +='\nPragma on: recheck imminent.'
				recheck = True

			# skipping file processing if there's no need to recheck it and we have checked it at least 4 hours ago
			if not recheck and not reload and '_time' in record and (datetime.datetime.now() - datetime.timedelta(hours = 4) - record['_time']).days < 0:
				recheck = True

			print(info)
			if reload or recheck:

				try:
					request = 'http://' + config['root'] + my_path
					needed = None
					# XXX and if we specify full file we don't go partial?
					if requested_ranges != None:
						if '_parts' in record and record['_parts'] != None:
							needed = record['_parts'] & requested_ranges
						elif config['noparts']:
							needed = record['_parts']
						else:
							if config['noparts']:
								needed = record['_parts']
							else:
								needed = record['_parts'] | requested_ranges
						elif not config['noparts']:
							needed = requested_ranges
						ranges = ()
						print('Missing ranges: {}, requested ranges: {}, needed ranges: {}.'.format(record['_parts'], requested_ranges, needed))
						if len(needed) > 0:
						if needed != None and len(needed) > 0:
							needed.rewind()
							while True:
								range = needed.pop()
								if range[0] == None:
									break
								ranges += '{}-{}'.format(range[0], range[1] - 1),
							request = urllib.request.Request(request, headers = {'Range': 'bytes=' + ','.join(ranges)})

						if reload:
							print('Reloading.')
							if os.access(temp_name, os.R_OK):
								os.unlink(temp_name)
							if os.access(file_name, os.R_OK):
								os.unlink(file_name)
						if new_record['_parts'] == None or reload:
							new_record['_parts'] = spacemap.SpaceMap({0: int(new_record['Content-Length'])})
						print(new_record)

						# downloading file or segment
						if 'Content-Length' in new_record:
							if needed == None:
								needed = new_record['_parts']